Learn the Issues
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Memorandum: Clean Water Act Section 404 Regulatory Program and Agricultural Activities
Memorandum from 1990 concerning the applicability of the Clean Water Act Section 404 regulatory program to agriculture.
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What is a Jurisdictional Delineation under CWA Section 404?
Information on how to do a wetlands delineation
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Presidential Memorandum Mitigating Impacts on Natural Resources From Development and Encouraging Related Private Investment (2015)
Presidential Memorandum encouraging agencies to share and adopt a common set of their best practices to mitigate for harmful impacts to natural resources.
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Petitions to Import Used ODS
Submitting Petitions to EPA
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ODS Destruction in the United States and Abroad - February 2018
This technical report provides information on sources, destruction technologies, and best practices for recovery, collection, transport, and destruction of ozone-depleting substances and other fluorinated compounds such as HFCs
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Join the Indoor AirPlus Program
Instructions on joining and participating in the Indoor airPLUS program
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About Small Wastewater Systems
Many small and rural communities, including those in Indian Country and along the U.S.-Mexico border, struggle with aging or inadequate wastewater treatment systems, or do not have access to basic wastewater services.
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Resolving Septic System Malfunctions
Septic systems fail because of inappropriate design or poor maintenance. Contact your local health department or regulatory agency if you have problems with your septic system.
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SepticSmart Week 2019 Announcement
SepticSmart Week is an annual event focused on educating homeowners and communities on the proper care and maintenance of their septic systems.
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SepticSmart Week 2020 Announcement
SepticSmart Week is an annual event focused on educating homeowners and communities on the proper care and maintenance of their septic systems.
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SepticSmart Week 2017 Announcement
SepticSmart Week is an annual event focused on educating homeowners and communities on the proper care and maintenance of their septic systems.
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SepticSmart Week 2018 Announcement
SepticSmart Week is an annual event focused on educating homeowners and communities on the proper care and maintenance of their septic systems.
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How to Build, Verify and Report Indoor AirPlus Labeled Homes
A list of information on how to Label and Report Indoor AirPlus Labeled Homes
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Pacific Southwest (Region 9) Newsletters
Monthly newsletters from EPA's Pacific Southwest, Region 9.
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Webinars on the Updated NPDES Application Forms
EPA will host webinars on October 1, 2019 and November 13, 2019, to assist NPDES permit applicants with the completion and submission of their NPDES permit application forms.
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Pretreatment 101 In-person Training Workshops - Sample Agenda
EPA sponsors several Pretreatment 101 trainings throughout the country each year. View a sample agenda.
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Municipal Wastewater
Listed links to Combined Sewer Overflows (CSOs), Integrated Planning, Peak Flows and Sanitary Sewer Overflows (SSOs)
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About Indoor AirPlus
List of EPA resources related to Indoor airPLUS, is a voluntary partnership and labeling program that helps new home builders improve the Indoor Air Quality by requiring construction practices and product specifications that minimize exposure to airborne.
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Tribal Grants and Loans Within Existing Federal Programs
Information about existing federal funding programs designating a certain amount as 'set aside' for use by federally-recognized tribes.
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Vietnamese Version of Flood Cleanup and the Air in Your Home Poster
EPA 402-H-07-001: This poster, in Vietnamese gives an overview of Flood Cleanup and the Air in Your Home